For that day's trading session, the opening price is the equilibrium price at which the maximum number of shares can be traded and calculated based on your order. Understand cost basis and any tax implications, so you can manage your tax liability. Is the entry price of your trade showing up incorrectly? You can adjust how the cost of a trade appears on the thinkorswim® Platform. Selling a Home? Beware Potential Capital Gains Tax. Complete Charles Schwab (thinkorswim) pricing: stocks, options, futures, margin tiers, and cash sweep yields. Updated 2026-05-13. We explain Thinkorswim trading fees, financial regulation, funding and withdrawal methods, what to look out for when buying and selling financial instruments using the Thinkorswim trading platform. According to the ThinkorSwim commissions page, there is no fee for online stock and ETF trades. It's the same for options trading, but you have to pay $0.65 fee per contract. Who thinkorswim suits on cost On costs, thinkorswim works well for stock and ETF traders, who pay no commission, and reasonably for options and futures traders whose volumes are moderate. The difference between cost and average price is caused by a wash sale that you had less than 30 days before you went back into the same stock. So the loss that you had less than 30 days ago, is added to the new position (on the same stock). You can also trade in ETFs using ThinkorSwim. ETFs are indeed referred to as the backbone of a well-rounded portfolio. They’re cost-effective and allow exposure to commodities, sectors, markets, and countries. ThinkorSwim only charges a standard of $0 per commission for every ETF trade. There are no fees to use thinkorswim in live or simulated (paper trading) mode. Schwab does not charge anything for standard real-time market data on thinkorswim for U.S. equities and options. This policy includes time & sales data and streaming quotes for stocks and equity options. Is the entry price of your trade showing up incorrectly? You can adjust how the cost of a trade appears on the thinkorswim® Platform.